Karen Joy Lazarus, DO
Family Medicine Physician · Philadelphia, PA
Karen Joy Lazarus, DO is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1356834824, issued on Jun 10, 2018. Check the license (Pennsylvania OT018394, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Karen Joy Lazarus
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OT018394 PA
Self-reported in NPPES; status is on the state search - Practice location
- 401 W Allegheny Ave, Philadelphia, PA 19133
- Phone
- (215) 291-2500
- Enumerated
- Jun 10, 2018
- Record last updated
- Mar 1, 2022
- Medicare enrollment
- Enrolled (PECOS I20210806002294); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 401 W Allegheny Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Joy Lazarus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OT018394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average family medicine physician in 2024
2,547 Medicare Part D claims for 266 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium216 claims
- Albuterol Sulfate Hfa134 claims
- Amlodipine Besylate107 claims
- Fluticasone Propionate107 claims
- Metformin Hcl92 claims
- Jardiance78 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Einstein Community Health Associates IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Joy Lazarus among 7,483 family medicine physician records in Pennsylvania
Karen Joy Lazarus, DO is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 78% of them.
- NPI issued2018 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2018 · median 2005 among the 4,529 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
800 family medicine physician records list a practice address in Philadelphia
They are 800 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Philadelphia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ferdinand Aczon, M.D.Philadelphia, PA 191331255422135
- David Barclay, MDPhiladelphia, PA 191331396733325
- Julia Dejoseph, M.D.Philadelphia, PA 191331679776926
- Evan Gooberman, DO, MPHPhiladelphia, PA 191331114486909
- Marie Hennelly, M.D.Philadelphia, PA 191331912393539
- Amulya Iyer, MDPhiladelphia, PA 191331619409281
- Daniel Ring, MDPhiladelphia, PA 191331265966063
- Julian Sacca-Schaeffer, MDPhiladelphia, PA 191331710482393
Common questions
What is Karen Joy Lazarus, DO's NPI number?
Karen Joy Lazarus, DO's National Provider Identifier (NPI) is 1356834824, issued on Jun 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Karen Joy Lazarus, DO located?
The NPPES record lists a practice address at 401 W Allegheny Ave, Philadelphia, PA, 19133. Phone: (215) 291-2500. Providers update this record themselves, so call before visiting.
How can I verify Karen Joy Lazarus, DO's license?
NPPES lists Pennsylvania license number OT018394, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Joy Lazarus, DO prescribe under Medicare Part D?
In 2024, Karen Joy Lazarus, DO had 2,547 Medicare Part D claims for 266 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.